/*++

Copyright (c) Microsoft Corporation. All rights reserved.

You may only use this code if you agree to the terms of the Windows Research Kernel Source Code License agreement (see License.txt).
If you do not agree to the terms, do not use the code.


Module:

    string.h

Abstract:

    Declarations for string manipulation functions

    This file contains the function declarations for the string
    manipulation functions.
    [ANSI/System V]
    [Public]

--*/

#if     _MSC_VER > 1000
#pragma once
#endif

#ifndef _INC_STRING
#define _INC_STRING

#ifdef  __cplusplus
extern "C" {
#endif


#if !defined(_W64)
#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
#define _W64 __w64
#else
#define _W64
#endif
#endif

/* Define _CRTIMP */

#ifndef _CRTIMP
#ifdef  _DLL
#define _CRTIMP __declspec(dllimport)
#else   /* ndef _DLL */
#define _CRTIMP
#endif  /* _DLL */
#endif  /* _CRTIMP */

/* Define __cdecl for non-Microsoft compilers */

#if     ( !defined(_MSC_VER) && !defined(__cdecl) )
#define __cdecl
#endif


#ifndef _SIZE_T_DEFINED
#ifdef  _WIN64
typedef unsigned __int64    size_t;
#else
typedef _W64 unsigned int   size_t;
#endif
#define _SIZE_T_DEFINED
#endif


#ifndef _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#define _WCHAR_T_DEFINED
#endif

#ifndef _NLSCMP_DEFINED
#define _NLSCMPERROR    2147483647  /* currently == INT_MAX */
#define _NLSCMP_DEFINED
#endif

/* Define NULL pointer value */

#ifndef NULL
#ifdef __cplusplus
#define NULL    0
#else
#define NULL    ((void *)0)
#endif
#endif


/* Function prototypes */

#ifndef _MEMCPY_INLINE_
        void *  __cdecl memcpy(void *, const void *, size_t);
#endif
        int     __cdecl memcmp(const void *, const void *, size_t);
        void *  __cdecl memset(void *, int, size_t);
        char *  __cdecl _strset(char *, int);
        char *  __cdecl strcpy(char *, const char *);
        char *  __cdecl strcat(char *, const char *);
        int     __cdecl strcmp(const char *, const char *);
        size_t  __cdecl strlen(const char *);
_CRTIMP void *  __cdecl _memccpy(void *, const void *, int, size_t);
_CRTIMP void *  __cdecl memchr(const void *, int, size_t);
_CRTIMP int     __cdecl _memicmp(const void *, const void *, size_t);

#if defined(_M_AMD64)
        void *  __cdecl memmove(void *, const void *, size_t);
#else
_CRTIMP void *  __cdecl memmove(void *, const void *, size_t);
#endif

_CRTIMP char *  __cdecl strchr(const char *, int);
_CRTIMP int     __cdecl _strcmpi(const char *, const char *);
_CRTIMP int     __cdecl _stricmp(const char *, const char *);
_CRTIMP int     __cdecl strcoll(const char *, const char *);
_CRTIMP int     __cdecl _stricoll(const char *, const char *);
_CRTIMP int     __cdecl _strncoll(const char *, const char *, size_t);
_CRTIMP int     __cdecl _strnicoll(const char *, const char *, size_t);
_CRTIMP size_t  __cdecl strcspn(const char *, const char *);
_CRTIMP char *  __cdecl _strdup(const char *);
_CRTIMP char *  __cdecl _strerror(const char *);
_CRTIMP char *  __cdecl strerror(int);
_CRTIMP char *  __cdecl _strlwr(char *);
_CRTIMP char *  __cdecl strncat(char *, const char *, size_t);
_CRTIMP int     __cdecl strncmp(const char *, const char *, size_t);
_CRTIMP int     __cdecl _strnicmp(const char *, const char *, size_t);
_CRTIMP char *  __cdecl strncpy(char *, const char *, size_t);
_CRTIMP char *  __cdecl _strnset(char *, int, size_t);
_CRTIMP char *  __cdecl strpbrk(const char *, const char *);
_CRTIMP char *  __cdecl strrchr(const char *, int);
_CRTIMP char *  __cdecl _strrev(char *);
_CRTIMP size_t  __cdecl strspn(const char *, const char *);
_CRTIMP char *  __cdecl strstr(const char *, const char *);
_CRTIMP char *  __cdecl strtok(char *, const char *);
_CRTIMP char *  __cdecl _strupr(char *);
_CRTIMP size_t  __cdecl strxfrm (char *, const char *, size_t);


#if     !__STDC__

/* prototypes for oldnames.lib functions */
_CRTIMP void * __cdecl memccpy(void *, const void *, int, size_t);
_CRTIMP int __cdecl memicmp(const void *, const void *, size_t);
_CRTIMP int __cdecl strcmpi(const char *, const char *);
_CRTIMP int __cdecl stricmp(const char *, const char *);
_CRTIMP char * __cdecl strdup(const char *);
_CRTIMP char * __cdecl strlwr(char *);
_CRTIMP int __cdecl strnicmp(const char *, const char *, size_t);
_CRTIMP char * __cdecl strnset(char *, int, size_t);
_CRTIMP char * __cdecl strrev(char *);
        char * __cdecl strset(char *, int);
_CRTIMP char * __cdecl strupr(char *);

#endif  /* !__STDC__ */


#ifndef _WSTRING_DEFINED

/* wide function prototypes, also declared in wchar.h  */

_CRTIMP wchar_t * __cdecl wcscat(wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl wcschr(const wchar_t *, wchar_t);
_CRTIMP int __cdecl wcscmp(const wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl wcscpy(wchar_t *, const wchar_t *);
_CRTIMP size_t __cdecl wcscspn(const wchar_t *, const wchar_t *);
_CRTIMP size_t __cdecl wcslen(const wchar_t *);
_CRTIMP wchar_t * __cdecl wcsncat(wchar_t *, const wchar_t *, size_t);
_CRTIMP int __cdecl wcsncmp(const wchar_t *, const wchar_t *, size_t);
_CRTIMP wchar_t * __cdecl wcsncpy(wchar_t *, const wchar_t *, size_t);
_CRTIMP wchar_t * __cdecl wcspbrk(const wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl wcsrchr(const wchar_t *, wchar_t);
_CRTIMP size_t __cdecl wcsspn(const wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl wcsstr(const wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl wcstok(wchar_t *, const wchar_t *);
_CRTIMP wchar_t * __cdecl _wcserror(int);
_CRTIMP wchar_t * __cdecl __wcserror(const wchar_t *);

_CRTIMP wchar_t * __cdecl _wcsdup(const wchar_t *);
_CRTIMP int __cdecl _wcsicmp(const wchar_t *, const wchar_t *);
_CRTIMP int __cdecl _wcsnicmp(const wchar_t *, const wchar_t *, size_t);
_CRTIMP wchar_t * __cdecl _wcsnset(wchar_t *, wchar_t, size_t);
_CRTIMP wchar_t * __cdecl _wcsrev(wchar_t *);
_CRTIMP wchar_t * __cdecl _wcsset(wchar_t *, wchar_t);

_CRTIMP wchar_t * __cdecl _wcslwr(wchar_t *);
_CRTIMP wchar_t * __cdecl _wcsupr(wchar_t *);
_CRTIMP size_t __cdecl wcsxfrm(wchar_t *, const wchar_t *, size_t);
_CRTIMP int __cdecl wcscoll(const wchar_t *, const wchar_t *);
_CRTIMP int __cdecl _wcsicoll(const wchar_t *, const wchar_t *);
_CRTIMP int __cdecl _wcsncoll(const wchar_t *, const wchar_t *, size_t);
_CRTIMP int __cdecl _wcsnicoll(const wchar_t *, const wchar_t *, size_t);

#if     !__STDC__

/* old names */
#define wcswcs wcsstr

/* prototypes for oldnames.lib functions */
_CRTIMP wchar_t * __cdecl wcsdup(const wchar_t *);
_CRTIMP int __cdecl wcsicmp(const wchar_t *, const wchar_t *);
_CRTIMP int __cdecl wcsnicmp(const wchar_t *, const wchar_t *, size_t);
_CRTIMP wchar_t * __cdecl wcsnset(wchar_t *, wchar_t, size_t);
_CRTIMP wchar_t * __cdecl wcsrev(wchar_t *);
_CRTIMP wchar_t * __cdecl wcsset(wchar_t *, wchar_t);
_CRTIMP wchar_t * __cdecl wcslwr(wchar_t *);
_CRTIMP wchar_t * __cdecl wcsupr(wchar_t *);
_CRTIMP int __cdecl wcsicoll(const wchar_t *, const wchar_t *);

#endif  /* !__STDC__ */

#define _WSTRING_DEFINED
#endif

#if _DBG_MEMCPY_INLINE_ && !defined(MIDL_PASS) && !defined(_MEMCPY_INLINE_) && !defined(_CRTBLD)
#define _MEMCPY_INLINE_
__forceinline
void *
__cdecl 
memcpy_inline (
    void *dst,
    const void *src,
    size_t size
    )
{
    //
    // Make sure the source and destination do not overlap such that the
    // move destroys the destination.
    //
    if (((char *)dst > (char *)src) &&
        ((char *)dst < ((char *)src + size))) {
        __debugbreak();
    }
    return memcpy(dst, src, size);
}
#define memcpy memcpy_inline
#endif

#ifdef  __cplusplus
}
#endif

#endif  /* _INC_STRING */

